Home / 757,600.67-1,045,707.55-447,790.25

Finding the Fourth Proportional to 757,600.67, 1,045,707.55 and 447,790.25

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Solution

The fourth proportional to 757,600.67, 1,045,707.55 and 447,790.25 is: 618,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,600.67 : 1,045,707.55 = 447,790.25 : x
  2. Step 2: Convert to fraction form
    757,600.67/1,045,707.55 = 447,790.25/x
  3. Step 3: Cross multiply
    757,600.67x = 1,045,707.55 × 447,790.25
  4. Step 4: Simplify right side
    757,600.67x = 468,257,643,002.44
  5. Step 5: Solve for x
    x = 468,257,643,002.44/757,600.67
  6. Step 6: Final answer
    x = 618,079.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.